Crataegus laevigata (Poir.) DC. (Introduced) (Austria, Belgium, Luxembourg, England, Belarus, Corsica, Czech Republic, Croatia, Denmark, Estonia, France, Germany, Switzerland, Netherlands, Spain, Hungary, Italy, Latvia, Lithuania, Moldavia, Poland, Romania, Sicily, Slovakia, Slovenia, Sweden, Ukraine, Ireland (I), Norway (I), USA (I) (Michigan (I), Washington State (I), Wisconsin (I)), Canada (I) (Ontario (I), Quebec (I)), Algeria (I), Libya (I) as per CoL)
Crataegus monogyna Jacq. (Introduced) (Europe to Caucasus, N. Africa to Iraq: Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Iraq, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Libya, Morocco, Netherlands, North Caucasus, Norway, Palestine, Poland, Portugal, Romania, Sardegna, Sicilia, Sinai, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia; Introduced into: Argentina South, British Columbia, California, Cape Provinces, Colorado, Connecticut, Delaware, Free State, Illinois, Indiana, Kentucky, Madeira, Maine, Massachusetts, Michigan, Minnesota, New Brunswick, New Hampshire, New Jersey, New South Wales, New York, New Zealand North, New Zealand South, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Prince Edward I., Queensland, Québec, Rhode I., South Australia, Tasmania, Vermont, Victoria, Washington, Wisconsin as per POWO)
Crataegus pentagyna Waldst. & Kit. ex Willd. (Introduced) (SE. & E. Europe to Iran: Albania, Bulgaria, East Aegean Is., Greece, Iran, Iraq, Krym, North Caucasus, Romania, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia as per POWO)
Crataegus songarica K. Koch (Iran to Xinjiang and W. Himalaya: Afghanistan, Iran, Kazakhstan, Kirgizstan, Pakistan, Tadzhikistan, Uzbekistan, West Himalaya, Xinjiang as per POWO)